A water treatment plant is being designed to process 50,000 m3/d of water. Jar testing and pilot-plant analysis indicate that an alum dosage of 40 mg/L with flocculation at a Gt value of 4.0 × 104 produces optimal results at the expected water temperatures of 15oC. Determine: 1. The monthly alum requirement. 2. The flocculation basin dimensions if three cross-flow horizontal paddles are to used. The flocculator should be a maximum of 15 m wide and 5 m deep in order to connect appropriately with the settling basin. 3. The power requirement.
A water treatment plant is being designed to process 50,000 m3/d of water. Jar testing and pilot-plant analysis indicate that an alum dosage of 40 mg/L with flocculation at a Gt value of 4.0 × 104 produces optimal results at the expected water temperatures of 15oC. Determine: 1. The monthly alum requirement. 2. The flocculation basin dimensions if three cross-flow horizontal paddles are to used. The flocculator should be a maximum of 15 m wide and 5 m deep in order to connect appropriately with the settling basin. 3. The power requirement.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A water treatment plant is being designed to process 50,000 m3/d of water. Jar testing and
pilot-plant analysis indicate that an alum dosage of 40 mg/L with flocculation at a Gt value
of 4.0 × 104 produces optimal results at the expected water temperatures of 15oC. Determine:
1. The monthly alum requirement.
2. The flocculation basin dimensions if three cross-flow horizontal paddles are to used. The flocculator should be a maximum of 15 m wide and 5 m deep in order to connect appropriately with the settling basin.
3. The power requirement.
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